a pair of six-power binoculars的用法和样例：
- A pair of sixes on the first throw in craps.
- I use a pair of high powered binoculars so that I can watch them from a distance.
- I bought a pair of tan leather shoes the other day.
- I looked at it through a pair of binoculars.
- Then get a pair of binoculars and a notebook.
- Billy has a pair of new trousers.